2025版新教材高中英语Unit5WorkingtheLandSectionⅡLearningAboutLanguage语法精讲新人教版选择性必修第一册

SectionⅡLearningAboutLanguageGrammar——句子结构语法导图主语从句eq\b\lc\{\rc\(\a\vs4\al\co1(定义,连接词及其句法功能,用it作形式主语的结构,应注意的问题))语法讲练主语从句一、定义在主从复合句中用作主语的从句叫主语从句。D典例呈现①Whatmadepeoplemovedwasthatmedicalworkersdevotedthemselvestotreatingpatientsduringtheoutbreakofthevirus.让人们感动的是在病毒暴发期间医疗工作者专心治疗病人。②Itworriesthemotherthathersondoesn'thavetheabilitytotacklecrisis.她的孩子没有应对危机的能力，这让这位母亲很担心。二、连接词及其句法功能连接词用法从属连词that在从句中不作成分，that没有实际意义，位于句首时，不可省略Thatthedriversurvivedtheaccidentisamiracle.这个司机在事故中幸免于难简直是一个奇迹。从属连词whether在从句中不作成分，whether意为“是否”，不可省略Whetherthesportsmeetwillbeheldisnotcertainnow.＝Itisnotcertainnowwhetherthesportsmeetwillbeheld.运动会是否会举行现在不能确定。连接代词who(ever),whom(ever),whose,what(ever),which(ever)等在从句中作主语、宾语、表语、定语等Whoeverbreaksthelawisboundtobepunished.无论谁违反了法律，必定会受到惩罚。Whateveryoudoinyoursparetimeshoulddonoharmtoothers.你在业余时间做的任何事都不应该伤害别人。连接副词when,where,why,how等在从句中作状语，表示时间、地点、原因、方式等Howthebookwillselldependsonitsauthor.这本书如何出售取决于作者本人。Whereweshallhavethemeetingmakesnodifference.我们在哪儿开会都无所谓。J即学即练1单句语法填空①Thathesuddenlyfellillmadeussurprised.②Whethersheiscomingornotdoesn'tmattertoomuch.③Everyyear,whoevermakesthemostbeautifulkitewillwinaprizeintheKiteFestival.④Yoursupportisimportanttoourwork.Whateveryoucandohelps.⑤Howweunderstandthingshasalottodowithwhatwefeel.⑥WhereLiBai,agreatChinesepoet,wasbornisknowntothepublic,butsomewon'tacceptit.⑦Whatyouneedismorepracticeinordertoimproveyourreadingskills.⑧HowtheboycanearnalivinginLondonremainsabigproblemsincehehasnomoneywithhim.⑨Becauseitisrainy，whenweshallhaveoursportsmeetisamystery.⑩Tomisnotathomenow.Wherehehasgoneisaquestion.三、用it作形式主语的结构结构例句It＋be＋形容词(obvious,true,natural,strange,etc.)＋主语从句Itisimportantthatpeopleshouldknowhowtodofirstaid.人们知道如何急救是非常重要的。It＋be＋名词词组(nowonder,anhonour,apity,a/nosurprise,etc.)＋主语从句It'sapitythathefailedagaindespitehisefforts.遗憾的是尽管他努力了，他还是失败了。It＋be＋过去分词(said,reported,thought,expected,proved,etc.)＋主语从句Itissuggestedthatthemeetingbeputoffbecauseofbadweather.由于天气不好，有人建议推迟会议。It＋不及物动词(happens,seems,appears,etc.)＋主语从句ItseemsthatyouhavemisunderstoodwhatIsaidatthemeeting.看来你误解了我在会上所说的话了。It＋及物动词＋宾语＋主语从句Itshockedmethatheshouldyieldtoayoungman.令我震惊的是他竟然向一个年轻人屈服了。J即学即练2单句语法填空①(2020·江苏)Itisnotaproblemwhetherwecanwinthebattle;it'sjustamatteroftime.②(2020·课标全国Ⅲ)Itissaidthatabout20%of25­34­year­oldslivewiththeirparents,comparedwith16%in1991.完成句子③(2020·江苏)Itisreported(据报道)thatthefilmiswellreceivedoutsideChina.④Itisbelieved(人们相信)thatthemoviewillbenotonlymeaningfulbutalsointeresting.四、应注意的问题1．主语从句的虚拟语气主语从句中的谓语用(should)do在“It＋be＋形容词(important,necessary,strange,etc.)＋主语从句”结构中在“It＋be＋过去分词(suggested,ordered,required,advised)＋主语从句”结构中D典例呈现①Itisnecessaryandimportantthatone(should)mastertheskillofoperatingcomputerstomeettheneedofajob.为了满足工作上的需要，掌握电脑操作技巧是很有必要并且是很重要的。②Itissuggestedthatthework(should)befinishedassoonaspossible.有人提议那项工作要尽早完成。2．主语从句的主谓一致主语从句由一个连接词引导一个从句谓语动词用单数由两个或多个连接词引导一个从句由what引导，且表示复数概念(常可从表语上看出)的从句复数由and连接两个或两个以上从句D典例呈现①Whattheschoolbadlyneedsmostarebooksandequipment.(What引导，且表示复数概念)这所学校最需要的是书和设备。②Whentheywillstartandwheretheywillgohavenotbeendecidedyet.(两个连词，两个从句)他们将在什么时候动身以及要去哪里还没定下来。③Whenandwheretheywillholdthemeetingisnotclear.(两个连词，一个从句)他们何时何地召开会议还不清楚。J即学即练3单句语法填空①Wherehewillgetajobaftergraduationhas(have)puzzledhimmuch.②Whathedesiredtogetwere(be)novelswrittenbythefamousnovelist.完成句子③Itisnecessarythatpeepleshouldlearn(人们应学会)tofacethereality.④It'ssuggestedthattheoldmanshouldgo(应该去)tothecountrysidetohavearest.专项练习Ⅰ.单句语法填空1．Whatcausedtheserioustrafficaccidentremains(remain)unknown.2．Itisapitythatwewon'tbeabletogocampingthisSunday.3．Whoeverpollutes(pollute)theenvironmentwillbepunished.4．Thatweshallbelateiscertain.5．Itisnotsurewhetherhewillcometoyourhouseornot.6．Thedeadlinesandwhatyouneedtoapplydependontheprogram.7．Whatyouneedisagreatteacherwholetsyoumakemistakes.8．It'spossiblethatweallhavecompromisedconversationalintelligence.9．Itisafactthattheearthisround.10．Whatparentssayanddohasalifelongeffectontheirchildren.Ⅱ.完成句子1．Thatshewaschosenmadeusveryhappy.她当选了使我们很高兴。2．Whatcausedtheaccidentisacompletemystery.是什么导致了这项事故还完全是个谜。3．Itmakesnodifferencewhereweshallhavethemeeting.我们在哪里开这个会都无所谓。4．Whathesaidmademeangry.他说的话使我气愤。5．Itisrequiredthatthestudents(should)wearschooluniformsatschool.学校要求学生在学校必须穿校服。6．Whatshesaid